/Engine/Source/Runtime/Engine/Public/ImageUtils.h
Creates a newUTextureCubewith a checkerboard pattern.
static [UTextureCube](API\Runtime\Engine\Engine\UTextureCube) * CreateCheckerboardCubeTexture ( [FColor](API\Runtime\Core\Math\FColor) ColorOne, [FColor](API\Runtime\Core\Math\FColor) ColorTwo, int32 CheckerSize )